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  • In Isolation of which one of the following metals from their ores, the use of cyanide salt is not commonly involved?Option: 1 Zinc<div

In Isolation of which one of the following metals from their ores, the use of cyanide salt is not commonly involved?

Option: 1

Zinc


Option: 2

Gold


Option: 3

Silver


Option: 4

Copper


Answers (1)

best_answer

Silver ad Gold are directly reached out using  \mathrm{NaCN} .

\mathrm{NaCN} is used as a depresent in a mixture of  \mathrm{\text { ZnS and PbS }} .

Cyanide salt is not involved in the extraction of copper.

Hence correct option is (4)

Posted by

HARSH KANKARIA

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